The impacts also change the colour, reflectance and chemistry of the surface over time.
微粒的飞溅不仅在水星上空形成了一个超级稀薄的大气层(更准确的说是外大气层),而且还改变了水星地表的颜色,反射比,以及化学成分。
Although subtle, these colour variations tell us important things about the chemistry and evolution of the lunar surface.
虽然很微妙,但这些颜色的变化告诉我们,月球表面发生的化学变化和演变史。
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